booster box battery (12/24V) pure copper cable & clamps — Predator Power Products 5V/3A LED Modes Forney - 52730 Battery Booster

Since it is a Special Summon from your hand, it is not affected by the new master rule

(This Digimon checks 1 additional security card.) BT5-029 R Digimon Lv.5 WereGarurumon: Sagittarius Mode Color Blue Cost 8 DP 8000 Digivolve Cost 1 Blue 3 from Lv.4 Digivolve Cost 2 Blue 1 from Lv.5 Form Ultimate Attribute Vaccine Type Beastkin Card Text 1 [Effect] [Your Turn] While a Digimon card with [WereGarurumon] in its name is in this Digimon's digivolution cards, this Digimon gains Jamming

Needless to say, there are a lot of decks that can work that have combos and counters for other decks as well

Drytron Beta Rastaban X LIGHT Level 1 [ MachineEffect ] ATK 2000 DEF 0 Cannot be Normal Summoned/Set

I also leave you with the words infinite mana here